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  1. t. e. In physics, the principle of relativity is the requirement that the equations describing the laws of physics have the same form in all admissible frames of reference . For example, in the framework of special relativity the Maxwell equations have the same form in all inertial frames of reference. In the framework of general relativity the ...

  2. Relativity, wide-ranging physical theories formed by the German-born physicist Albert Einstein. Special relativity is limited to objects that are moving with respect to inertial frames of reference. General relativity is concerned with gravity, one of the fundamental forces in the universe.

  3. Jan 26, 2017 · The theory is based on two fundamental principles: Relativity: The laws of physics do not change. Even for objects moving at inertial, constant speed frames of reference. Speed of light: It is the ...

  4. Nov 18, 2023 · 3.1: The Principle of Relativity. Page ID. Edwin F. Taylor & John Archibald Wheeler. Massachusetts Institute of Technology via Self-Published (via W. H. Freeman and Co.) The name relativity theory was an unfortunate choice: The relativity of space and time is not the essential thing, which is the independence of laws of Nature from the ...

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  6. Relativity is a falsifiable theory: It makes predictions that can be tested by experiment. In the case of special relativity, these include the principle of relativity, the constancy of the speed of light, and time dilation.

  7. May 16, 2017 · September 1905: Mass and Energy. That first paper wasn’t the end of it, though. Einstein kept obsessing on relativity all through the summer of 1905, and in September he sent in a second paper ...

  8. Dec 31, 2022 · Eventually, he felt compelled to assert it as a fundamental aspect of our universe, and the relativity principle was born: No experiment can be performed within an inertial frame that determines whether it is moving or at rest. This is also known as the first postulate of the theory of Special Relativity.

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